Great Lakes Forecast
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514
FZUS61 KBUF 112053
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
453 PM EDT Sat May 11 2024

For waters beyond five nautical miles of shore on Lake Ontario

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...A 29.6 inch low over southwestern Ontario Province
this evening will slowly track east across Lake Ontario tonight. A
weak trough will persist over the Lake on Sunday morning, before
weak high pressure over West Virginia noses northward over the
region Sunday afternoon and Sunday night. A wavy cold frontal
boundary over Lower Michigan on Monday will slowly work across the
Lake on Tuesday into Tuesday night. A 30.0 inch high centered
over western Ontario on Wednesday will settle across the Lower
Great Lakes Wednesday night and Thursday.

LOZ062-120330-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
453 PM EDT Sat May 11 2024

.TONIGHT...East winds 5 to 10 knots. Showers early, then showers
likely late this evening. A chance of light rain or drizzle after
midnight. Patchy fog after midnight. Waves 2 feet or less.
.SUNDAY...Northeast winds 10 knots or less becoming southwest.
Patchy fog in the morning. Waves 1 foot or less.
.SUNDAY NIGHT...South winds 5 to 15 knots. A chance of showers
overnight. Waves 2 feet or less.
.MONDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers likely in the morning, then showers likely with
a chance of thunderstorms in the afternoon. Waves 1 to 2 feet
building to 2 to 4 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely
with a chance of thunderstorms in the evening, then showers
likely overnight. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 5 to 15 knots becoming north. Showers
with a chance of thunderstorms during the day, then showers
likely Tuesday night. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 15 knots. A chance of showers
during the day. Waves 1 to 2 feet.
.THURSDAY...Northeast winds 5 to 10 knots becoming southeast.
Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-120330-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
453 PM EDT Sat May 11 2024

.TONIGHT...East winds 5 to 15 knots becoming southeast. Showers
this evening, then showers likely with a chance of drizzle after
midnight. A chance of light rain or drizzle late. Patchy fog
after midnight. Waves 2 feet or less.
.SUNDAY...Southeast winds 5 to 15 knots becoming east. Patchy fog
early. A chance of light rain or drizzle in the morning. Waves
2 feet or less.
.SUNDAY NIGHT...South winds 10 knots or less. Waves 1 foot or
less.
.MONDAY...South winds 15 to 20 knots. Showers likely in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots. Showers likely with a chance of thunderstorms in the
evening, then showers overnight. Waves 1 to 3 feet.
.TUESDAY...South winds 5 to 15 knots becoming north. Showers with
a chance of thunderstorms during the day, then showers Tuesday
night. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 15 knots. A chance of showers
during the day. Waves 1 to 2 feet.
.THURSDAY...North winds 5 to 10 knots becoming southeast. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-120330-
MAFOR 1121/
ONTARIO WEST 1/2 11216 11306 13200 11700 12600. A chance of
thunderstorms early this evening. A chance of light rain or
drizzle overnight. Waves 2 feet or less.

ONTARIO EAST 1/2 11210 12306 12300 12410 11300. A chance of
drizzle overnight. A chance of light rain or drizzle Sunday
morning. Waves 2 feet or less.

$$